package Thread;

import java.util.HashMap;
import java.util.Map;

public class Demo10 {
    public static void main(String[] args) {


    }
       /* String[]  arr = {"aa", "aaa"};
        String s = "aa";
        for (int i = 0; i < 2; i++) {
            if(arr[i].equals(s)) {
                System.out.println(1);
            }
        }
        Map<String,Integer> map = new HashMap<>();
        map.put("aa",4);
        System.out.println(map.get("aa"));

        System.out.println(map);
    }*/
}

 /*  System.out.println(Math.ceil((int)1.1+20));
        System.out.println(Math.ceil((21.1)));
        double s = 0;
        s = 20+1.1;
        System.out.println((int)Math.ceil(s));*/